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Joined: Feb 11, 2021
Last seen: Jun 24, 2025
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Topics: 296 / Replies: 3000
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RE: Measuring your COP

The installers were helpful and finally moved the filter inside for easier access, but the flow issues persisted which prompted them to add more distr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

All ASHPs require a minimum flow rate to protect the heat pump unit. I suspect yours has a threshold too, but you haven’t been affected by that yet as...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Real world COP vs. manufacturer claim

@oswiul that’s very good. I may have to steal that as a headline for my next post that I’m working in.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

Sadly, the MCS are a toothless organization that I had a lot of faith in when we started RHH and have had regular contact with them. I am fortunate to...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

On the subject of COP, I have to disagree because it should matter greatly. Each and every MCS-accredited heat pump in the UK has a published COP for ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Measuring your COP

@grahamh, and therein lies the biggest issue for me with the ASHP industry. Running costs don't correlate with the heat they produce (and the manufact...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world COP vs. manufacturer claim

Our lifetime COP is 2.7 and the published COP of our 18kW Global Energy Systems heat pump is supposed to be 3.46 at 45C flow temperature.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Real world COP vs. manufacturer claim
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 12
Views: 3674
Reply
RE: Measuring your COP

Here’s some food for thought. How many distribution pumps do you have connected to your heat pump system at the moment and do you know how much pow...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Does your heat pump calculate and provide you with a COP figure?

So far, everyone has to jump through hoops to get the COP. Crazy.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@cathoderay, thanks for starting this useful thread. This just reaffirms my thoughts about heat pumps – they are ridiculously overcomplicated in som...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@marvinator80, welcome to the forums and we look forward to hearing all about your system when it's installed. Please feel free to start a new thread ...

3 years ago
Forum
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